inviolable vs infrangible

inviolable and infrangible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inviolable	No	Yes	No	No
infrangible	No	Yes	No	No

As adjectives, inviolable and infrangible are synonyms defined as:

Other synonyms of inviolable include absolute.

inviolable (adjective)	infrangible (adjective)
incapable of being transgressed or dishonored	not capable of being violated or infringed
not capable of being violated or infringed	difficult or impossible to break or separate into parts
immune to attack; incapable of being tampered with
must be kept sacred